Kumitantei: Old-School Slaughter

April 23, 2026

Developer: Mango Factory · Publisher: Akupara Games

• PC

Kill each other...for science! The class of '89 is trapped in an elite school killing game. Investigate, solve, and expose your classmates in Kumitantei: Old-School Slaughter, an episodic murder-mystery ADV card-battler inspired by retro anime.